13888959 has 16 divisors (see below), whose sum is σ = 21292032. Its totient is φ = 7888608.

The previous prime is 13888939. The next prime is 13888969. The reversal of 13888959 is 95988831.

It is not a de Polignac number, because 13888959 - 2⁹ = 13888447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13888939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1722 + ... + 5544.

It is an arithmetic number, because the mean of its divisors is an integer number (1330752).

Almost surely, 2^13888959 is an apocalyptic number.

13888959 is a deficient number, since it is larger than the sum of its proper divisors (7403073).

13888959 is a wasteful number, since it uses less digits than its factorization.

13888959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006.

The product of its digits is 622080, while the sum is 51.

The square root of 13888959 is about 3726.7893688804. The cubic root of 13888959 is about 240.3753328548.

The spelling of 13888959 in words is "thirteen million, eight hundred eighty-eight thousand, nine hundred fifty-nine".